sys_swapon: move setting of error nearer use
authorCesar Eduardo Barros <cesarb@cesarb.net>
Tue, 22 Mar 2011 23:33:22 +0000 (16:33 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 23 Mar 2011 00:44:07 +0000 (17:44 -0700)
commit7de7fb6b3422e6d1dac00666a992834085e745dc
tree4dd93f9871c1ff05212652a1e4709414a4881f1d
parent83ef99befc324803a54cf2a5fab5a322df3a99d6
sys_swapon: move setting of error nearer use

Move the setting of the error variable nearer the goto in a few places.

Avoids calling PTR_ERR() if not IS_ERR() in two places, and makes the
error condition more explicit in two other places.

Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Tested-by: Eric B Munson <emunson@mgebm.net>
Acked-by: Eric B Munson <emunson@mgebm.net>
Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/swapfile.c